13427631537 has 16 divisors (see below), whose sum is σ = 18217542720. Its totient is φ = 8795426112.

The previous prime is 13427631523. The next prime is 13427631559. The reversal of 13427631537 is 73513672431.

It is a happy number.

It is not a de Polignac number, because 13427631537 - 2¹² = 13427627441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13427631937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7678 + ... + 164055.

It is an arithmetic number, because the mean of its divisors is an integer number (1138596420).

Almost surely, 2^13427631537 is an apocalyptic number.

It is an amenable number.

13427631537 is a deficient number, since it is larger than the sum of its proper divisors (4789911183).

13427631537 is a wasteful number, since it uses less digits than its factorization.

13427631537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172192.

The product of its digits is 317520, while the sum is 42.

The spelling of 13427631537 in words is "thirteen billion, four hundred twenty-seven million, six hundred thirty-one thousand, five hundred thirty-seven".